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The 7586  (P/N 154-0306-00) is a Nuvistor triode tube used in the M, 1A1, 1A2, 1A5, 82, 86, 321, 3A74, 3A1, 3A3, 3A6, 3A7, 3A8, 3S76, 3S76A, 3T77, 3T77A, 4S1, 6R1A, and 11B1.

The related 8393 (13-volt version of the 7586) is used in the 1A7 and 453.

Aged/Checked/Matched Pair Details
Used in Tek Part# S/N Range
1A2 ? 157-0080-00 All
3A7 157-0099-00 All
10A2, 82 157-0103-00 All
2A61 157-0105-00 All
2A61 157-0106-00 All
3A3, 3A8 157-0110-00 All
321A, 1A1, 1A2, 1A5, 3A1, 3A5, 3A6, 3A74, 3S76, 3S76A, 3T77, 3T77A, 4S1, 6R1, 11B1, 11B2, 11B2A 157-0121-00 All
10A2A 157-0128-00 All

Part number 157-0105-00 was replaced by 157-0121-00.


Tube aging procedure / Selection and checking procedure